How one British laboratory protects the world’s chocolate

The International Cocoa Quarantine Centre, at the University of Reading, has an important job: stop pests and viruses from hitching a ride, as researchers try to breed better and hardier varieties of cocoa. Here’s how they do it. ■ Articles mentioned: More reading and sources: Edited by Michelle Martin: I’m at on Twitter at on Facebook at and on Instagram as tomscottgo